Dolphin ball



FIG. 1 is a left, front perspective view of a dolphin ball showing mynew design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a rear elevational view thereof.

I claim the ornamental design for a dolphin ball, as shown.